乐而忘忧 lè'érwàngyōu mirth dissipates care Origin Definitions Defs Strokes Stroke Words Sentences Sents 乐 樂 lè adjective happy happy; cheerful; joyful; glad to do something而 ér particleconjunction [adverbial linker] Connects an adverb-like description to the following verb to show the manner, cause, or basis of an action.忘忧 忘憂 wàngyōu to forget one's worries To cast aside or forget one's cares and sorrows